diff --git a/octoprint_filamentmanager/data/__init__.py b/octoprint_filamentmanager/data/__init__.py
index ea5d2b5..0d2e5ec 100644
--- a/octoprint_filamentmanager/data/__init__.py
+++ b/octoprint_filamentmanager/data/__init__.py
@@ -232,7 +232,7 @@ def get_all_spools(self):
             j = self.spools.join(self.profiles, self.spools.c.profile_id == self.profiles.c.id)
             stmt = select([self.spools, self.profiles]).select_from(j).order_by(self.spools.c.name)
             result = self.conn.execute(stmt)
-        return [self._build_spool_dict(row, row.keys()) for row in result.fetchall()]
+        return [self._build_spool_dict(row, tuple(k for k in row.keys())) for row in result.fetchall()]
 
     def get_spools_lastmodified(self):
         with self.lock, self.conn.begin():
@@ -247,7 +247,7 @@ def get_spool(self, identifier):
                 .where(self.spools.c.id == identifier).order_by(self.spools.c.name)
             result = self.conn.execute(stmt)
         row = result.fetchone()
-        return self._build_spool_dict(row, row.keys()) if row is not None else None
+        return self._build_spool_dict(row, tuple(k for k in row.keys())) if row is not None else None
 
     def create_spool(self, data):
         with self.lock, self.conn.begin():
diff --git a/setup.py b/setup.py
index 1ca7d52..d7524ed 100644
--- a/setup.py
+++ b/setup.py
@@ -13,8 +13,9 @@
 plugin_url = "https://github.com/OllisGit/OctoPrint-FilamentManager"
 plugin_license = "AGPLv3"
 plugin_requires = ["backports.csv>=1.0.5,<1.1",
+                   "octoprint>=1.8.6",
                    "uritools>=2.1,<2.2",
-                   "SQLAlchemy>=1.1.15,<1.2"]
+                   "SQLAlchemy>=1.4,<1.5"]
 plugin_additional_data = []
 plugin_additional_packages = []
 plugin_ignored_packages = []
@@ -29,6 +30,7 @@
           "the same python installation that OctoPrint is installed under?")
     import sys
     sys.exit(-1)
+    
 
 setup_parameters = octoprint_setuptools.create_plugin_setup_parameters(
     identifier=plugin_identifier,